Customization: | Available |
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Reflective Material Type: | Road Marking Beads |
Material: | Glassbead |
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Project | Quality | |
Chemical composition% | SiO2 | >72% |
CaO | >8% | |
Na2O | <14% | |
MgO | >2.5% | |
Al2O3 | 0.5-2.0% | |
Fe2O3 | 0.15% | |
Others | 2.0% | |
Refractive Index | Nd≥1.5% | |
Density | 2.4-2.6g/cm3 | |
Size distribution | Oversize ≤5% under size ≤10% | |
Wire diameter | 0.03-0.4mm | |
Durability | 3-5 % | |
Hardness | 6-7 MOHS ;46HRC | |
Microhardness | ≥650kg/cm3 | |
Circularity | Round rate of ≥95% | |
Appearance | colorless ,glass transparent without impurities,Round and smooth | |
Application | 1.Grinding 2.Road marking paint 3.Sand blasting | |
Lead Content | No lead content, reach American 16CFR 1303 Lead content standard | |
Harmful substances content | Lower than American 16CFR 1500 standard | |
Flammable fire test | Not easy combustion,reach American 16CFR 1500.44 standard | |
Soluble heavy metal content | Metal content of soluble matter ratio solid weight rate no more than ASTM F963 corresponding value | |
Package |
25KG/pp bag then 40 bags in one ton bag/pallet | |
Standard | EN1423,1424;AASHTO ,M247;BS6088;JISR3301;KS L2521 ETC. |